CN1056801C - Dampening water circulation system for offset press - Google Patents
Dampening water circulation system for offset press Download PDFInfo
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- CN1056801C CN1056801C CN94108641A CN94108641A CN1056801C CN 1056801 C CN1056801 C CN 1056801C CN 94108641 A CN94108641 A CN 94108641A CN 94108641 A CN94108641 A CN 94108641A CN 1056801 C CN1056801 C CN 1056801C
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- fountain solution
- roller
- liquid
- bucket roller
- fountain
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F7/00—Rotary lithographic machines
- B41F7/20—Details
- B41F7/24—Damping devices
- B41F7/26—Damping devices using transfer rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
- B41F33/0054—Devices for controlling dampening
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- Mechanical Engineering (AREA)
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Abstract
A dampening water circulation system achieves further lightweighting, easy maintenance and decreases a heat energy influencing the temperature of the dampening water. There are provide a dampening water supply pipe 50 and the dampening water pool bar 60 along the water fountain roller 20. The dampening water pool bar and the water fountain roller are arranged to maintain an aperture G of several mm to thereby form the water pool portion 70 between two members. The fed water can be kept in the dampening water pool portion to be applied on the water fountain roller. The dampening water pool portion is made small in size to minimize a time for the dampening water from the supply pipe 50 to the water fountain roller whereat the supplied water does not influenced by any foreign element, which can minimize the return water amount and is effective to decrease the cooling capacity for the used dampening water.
Description
The present invention relates generally to a kind of fountain solution liquid-supplying system that is used for offset press, the invention particularly relates to make the foeign element of fountain solution reduce to minimum degree, and the fountain solution liquid-supplying system that on forme, forms uniform liquid film with a spot of liquid measure.
Known some are used for traditional fountain solution liquid-supplying system of general hectographic printing, for example, one is adopted ink fountain and to be immersed in the intermittently contacted system of fountain solution bucket roller that is stored in the fountain solution bucket frequently, and a dampening roller rotates the system that contacts continuously with fountain solution bucket roller; One contacts with a fountain solution bucket roller rotationally by the brush that makes rotation, under the state that has rotary speed difference between them, fountain solution is transported to system on the dampener; And system that fountain solution is ejected into fountain solution bucket roller top.
23 pairs of a kind of traditional fountain solution liquid-supplying systems are described in detail with reference to the accompanying drawings.This fountain solution liquid-supplying system mainly comprises: a dampening roller 2, it is sent to fountain solution on the forme 1 of offset press (printing machine hereinafter referred to as), and fountain solution liquid feed device 3 it be used for controlling the fountain solution that will be supplied with and be sent on the dampener 2.This dampening roller 2 has a fountain solution bucket roller 20, have chrome coating on it, so that have the lyophily characteristic, rubber rollers 22 and chrome-plated roller 24 abut against together successively mutually, chrome-plated roller 24 also is positioned to a rubber dampening roller 26 and contacts, and these rollers relatively rotate, so that fountain solution is sent on the forme 1, setting is the fountain solution that fountain solution bucket roller is stored scheduled volume continuously with fountain solution liquid feed device 3, and further controls from liquid measure, temperature and the liquid matter of the fountain solution of fountain solution bucket 30 backflows.
This fountain solution liquid-supplying system is described for putting down among the 4-43321 at the Japanese utility model application publication number.
What Figure 24 represented is a kind of schematic diagram of spray-type, and a nozzle 40 wherein has been installed on the opposite of chrome-plated roller 24, and above-mentioned chrome-plated roller 24 contacts with dampening roller 26, sprays the fountain solution of supplying with from fountain solution liquid supply part 4 by means of a nozzle 40 thus.
As mentioned above, in this traditional system, fountain solution bucket roller is immersed in the fountain solution bucket that fills enough fountain solutions constantly, so that fountain solution is sent on following each roller, because printing ink and paper powder stick on the fountain solution bucket roller, the pipe under unnecessary fountain solution 3 just can stop up and extend from the fountain solution bucket in the fountain solution bucket.Therefore need make the fountain solution liquid feed device improve its function, from fountain solution, to remove these pollutants, and cool off, in the sprinkling system that does not have fountain solution bucket and fountain solution bucket roller, it is difficult that the fountain solution of one microcosmic magnitude is sent on the roller, and the maintenance work of carrying out in order to prevent to stop up is time-consuming or expense is high.
An object of the present invention is to provide a kind of in light weight, cost is low and maintenance is easy to the fountain solution liquid-supplying system.
The layout that another object of the present invention provides a kind of dampening roller is changed the fountain solution liquid-supplying system that the volume that makes device thus reduces easily.
To achieve these goals, offset press of the present invention provides a kind of like this fountain solution liquid-supplying system of offset press, wherein fountain solution is transported on the forme through the dampening roller system, this dampening roller system comprises a fountain solution bucket roller and a plurality of transfer roller, and these a plurality of transfer rollers comprise a dampening roller; The fountain solution liquid-supplying system of this offset press comprises: fountain solution liquor storage device is arranged to be parallel to a roller in each roller of this dampening roller system, this fountain solution liquor storage device comprises an elongated body of rod, this body of rod extends in parallel in this roller with the relation on the surface of close this roller, so that form a fountain solution liquid-storing part branch, this liquid-storing part divides in order to store the fountain solution of supply from a fountain solution liquid supply part therein; And be provided with, so that wherein collect the fountain solution that is not transported to this transfer roller with a backflow fountain solution collecting part; This liquid supply part comprises a fountain solution feed flow pipeline, and this feed flow pipeline extends along this fountain solution bucket roller or a roller that adjoins this fountain solution bucket roller, and has the fountain solution feed flow hole that is distributed in along the surface of this feed pipe and corresponding this roller of sensing; And this elongated body of rod comprises that at least one fountain solution holds the liquid bar, form a liquid-storing part branch so that adjoin the outer surface of this bar and this fountain solution bucket roller or one between the roller of this fountain solution bucket roller, this liquid-storing part branch is made has minimum dimension and preserve can be for the necessary liquid measure of moistening this forme continuously.
Offset press of the present invention also provides a kind of fountain solution liquid-supplying system of offset press, wherein fountain solution is transported on the forme through the dampening roller system, this dampening roller system comprises a fountain solution bucket roller and a plurality of transfer roller, and these a plurality of transfer rollers comprise a dampening roller; Wherein, fountain solution liquor storage device is arranged to be parallel to a roller in each roller of this dampening roller system, this fountain solution liquor storage device comprises an elongated body of rod, this body of rod extends in parallel in this roller with the relation on the surface of close this roller, so that form a fountain solution liquid-storing part branch, this liquid-storing part divides in order to store the fountain solution of supply from a fountain solution liquid supply part therein; And wherein be provided with, so that wherein collect the fountain solution that is not transported to this transfer roller with a backflow fountain solution collecting part; This fountain solution liquid supply part comprises one along this fountain solution bucket roller or adjoin the fountain solution feed flow pipeline that the roller of this fountain solution bucket roller extends, and this fountain solution feed flow pipeline has the feed flow hole along this feed flow line distribution; And this fountain solution feed flow pipeline plays a part this elongated body of rod simultaneously, so that at this pipeline and this fountain solution bucket roller or adjoin and form a liquid-storing part branch between the roller of this fountain solution bucket roller, wherein, this liquid-storing part branch is pointed in this feed flow hole, and this liquid-storing part branch is made it and is of a size of minimum but can be for keeping the necessary liquid measure of moistening this forme continuously.
Following main points are features of the present invention.
(1) around fountain solution bucket roller, there are a plurality of fountain solutions to hold the liquid bar.
(2) rotating fountain solution holds the liquid bar.
(3) backflow fountain solution receiving-member within it portion the sloping portion gradually of convergence is arranged, the intersection point place of the rake gradually of this convergence is opened wide.
The present invention further also has a fountain solution liquid supply rate control system, so that regulate the liquid measure of the fountain solution that above-mentioned fountain solution liquid supply part supplied with according to the demand of forme.
Following main points also are the features of the invention described above.
(1) fountain solution liquid supply rate control system also will have fountain solution to promote function, so that rapid feeding additional fountain solution keeps holding the fountain solution that there is standard volume in the territory, liquid zone.
(2) detector that holds territory, liquid zone liquid measure or backflow damping liquid measure by means of a detection is controlled the liquid supply rate of fountain solution.
(3) control the liquid supply rate of fountain solution by means of a detector of surveying print speed printing speed.
Offset press of the present invention also provides a kind of fountain solution liquid-supplying system of offset press again, wherein fountain solution is transported on the forme through the dampening roller system, this dampening roller system comprises a fountain solution bucket roller and a plurality of transfer roller, and these a plurality of transfer rollers comprise a dampening roller; Wherein, fountain solution liquor storage device is arranged to be parallel to a roller in each roller of this dampening roller system, this fountain solution liquor storage device comprises an elongated guide plate, this guide plate extends in parallel in this roller with the relation on the surface of close this roller, so that form a fountain solution liquid-storing part branch, this liquid-storing part divides in order to store the fountain solution of supply from a fountain solution liquid supply part therein; And wherein be provided with, so that wherein collect the fountain solution that is not transported to this transfer roller with a backflow fountain solution collecting part; This fountain solution liquid supply part comprises one along this fountain solution bucket roller or adjoin the fountain solution feed flow pipeline that the roller of this fountain solution bucket roller extends, and this fountain solution feed flow pipeline has the feed flow hole along this feed flow line distribution; This fountain solution feed flow pipeline thereunder integrally is connected to one along this fountain solution bucket roller or adjoin the guide plate that this fountain solution bucket roller extends, this guide plate is then near this fountain solution bucket roller or adjoin the surface of the roller of this fountain solution bucket roller, wherein, this guide plate is pointed in this feed flow hole, wherein, this liquid-storing part branch is formed on fore-end and this fountain solution bucket roller of this guide plate or adjoins between the roller of this fountain solution bucket roller, so that the liquid measure of fountain solution that will be transported to this fountain solution bucket roller equably or adjoin the roller of this fountain solution bucket roller is reduced to a minimum, the spout hole that passes through with a fountain solution of allowing overflow is set on this guide plate.
Feature of the present invention is limited by following.
(1) guide plate is made by elastomeric material, and guide plate should be placed like this so that its front end and fountain solution bucket roller or the roller that adjoins fountain solution bucket roller keep in touch.
(2) shape of guide plate should make and form a liquid-storing part branch between fountain solution bucket roller or the roller adjacent with fountain solution bucket roller.
(3) guide plate should be near fountain solution bucket roller or adjoin between the roller of fountain solution bucket roller a liquid-storing part branch is arranged, so as will to flow through that fountain solution that liquid-storing part divides is sent to fountain solution bucket roller or the roller that adjoins with fountain solution bucket roller on.
(4) guide plate and damping phegma receiving-member are integrally provided.
According to one embodiment of present invention, the fountain solution of carrying from the fountain solution supply part and one or more fountain solutions hold liquid bar and roller and combine the liquid-storing part branch that forms, fountain solution bucket roller receives needed fountain solution liquid measure from holding the territory, liquid zone, the fountain solution that is not transmitted is refluxed, and to accept parts collected for fountain solution, flow into the fountain solution adjusting device by means of return duct then, the size that liquid-storing part divides should be minimum, be used for keeping the fountain solution of requirement, so that in the shortest time bar, make the fountain solution of carrying from the fountain solution liquid supply part can arrive fountain solution bucket roller, and can unfavorable situation not arranged owing to any foeign element makes the fountain solution of conveying, so that need not to improve cooling power.
According to another embodiment of the invention, can control the fountain solution liquid supply rate that the fountain solution liquid supply part is carried according to liquid measure, fountain solution capacity of returns or print speed printing speed that liquid-storing part divides, it has the effect of saving unnecessary fountain solution.
According to still another embodiment of the invention, between fountain solution liquid supply part and fountain solution bucket roller, be formed with the liquid-storing part branch, so that adopt a spot of parts just can realize and obtain same effect with above-mentioned same purpose.
According to still a further embodiment, can when flowing downward, be dispersed on the guide plate by making the fountain solution of being supplied with from the fountain solution liquid supply part, directly send fountain solution bucket roller then to, perhaps by means of one at the liquid-storing part branch guide plate front end or between guide plate and fountain solution bucket roller, fountain solution is sent on the fountain solution bucket roller, realize same purpose with this, obtain same effect.
Fig. 1 represents is the schematic diagram of outward appearance of all structures of fountain solution liquid-supplying system of the present invention.
What Fig. 2 represented is the perspective view of major part in the fountain solution liquid-supplying system.
What Fig. 3 represented is the zoomed-in view that liquid-storing part divides.
What Fig. 4 represented is a feeder example, and this feeder is as a backflow fountain solution receiving-member.
What Fig. 5 represented is a system that can regulate the fountain solution quantity delivered automatically.
What Fig. 6 represented is an embodiment perspective view that divides the detection overflow situation at liquid-storing part.
Fig. 7 represents is to hold the schematic diagram that liquid-storing part that the liquid bar forms divides by a plurality of fountain solutions.
Fig. 8 represents is that fountain solution by a rotation holds the schematic diagram that liquid-storing part that the liquid bar forms divides.
What Fig. 9 represented is the schematic diagram that adjoins the liquid-storing part branch that forms on the roller of fountain solution bucket roller at.
Figure 10 represents is the schematic diagram that is divided by the liquid-storing part that a fountain solution feed pipe that has a feed flow hole forms.
What Figure 11 represented is a schematic diagram that is connected the liquid feed device on the fountain solution feed pipe.
What Figure 12 represented is the schematic diagram that divides as the formed liquid-storing part of fountain solution supply part with a discharging tube.
What Figure 13 represented is the fragmentary, perspective view of Figure 12.
What Figure 14 represented is the schematic diagram that adopts the fountain solution liquid-supplying system of guide plate.
What Figure 15 represented is the top view of Figure 14 of guide plate, feed pipe and fountain solution bucket roller layout.
What Figure 16 represented is the schematic diagram that is divided by the liquid-storing part that an elasticity guide plate forms.
What Figure 17 represented is the schematic diagram that is divided by the liquid-storing part that a guide plate forms.
What Figure 18 represented is a kind of schematic diagram that forms the guide plate of liquid-storing part branch in guide plate.
What Figure 19 represented is the top view of Figure 18, and what its was represented is the layout of guide plate, feed pipe and fountain solution bucket roller.
Figure 20 represents is the schematic diagram that has the guide plate that fountain solution overfall and that allow overflow passes.
What Figure 21 represented is the schematic diagram that adjoins the liquid-storing part branch that forms between the roller of this fountain solution bucket roller at fountain solution bucket roller and.
What Figure 22 represented is at a schematic diagram as the liquid-storing part branch that forms in the feeder of guide plate.
Figure 23 represents is in the general offset press, the schematic diagram of traditional fountain solution liquid-supplying system.
What Figure 24 represented is in general offset press, the schematic diagram of traditional spray-type fountain solution liquid-supplying system.
The most preferred embodiment of invention is described referring now to accompanying drawing, what Fig. 1 represented is the schematic diagram of fountain solution liquid-supplying system of the present invention, by the way, in the description of the following example, those with the legacy system shown in Figure 23～24 in same or analogous parts will represent with identical reference number, so that omit or the tubeization description, in the following description, fountain solution bucket roller is appreciated that from the fountain solution source of inculcating continuously enough fountain solutions is sent on the forme, in the following description, used some terms, it only is used for being convenient for reference, and not enough restriction, " on ", D score, " right side ", " left side " these word tables are shown in the reference orientation in the accompanying drawing, " lining " and " outward " these words refer to respectively towards with the geometric center that deviates from part shown in equipment and its, these terms also comprise the speech of derivatives and similar meaning.
As depicted in figs. 1 and 2, the fountain solution feed pipe 50 that this device is installed along the central shaft of a fountain solution bucket roller 20 as the fountain solution liquid supply part, this fountain solution feed pipe 50 should assemble to such an extent that make it to be suitable for fountain solution is poured on fountain solution bucket roller 20, and the fountain solution that is poured into can also hold liquid bar 60 storage by means of a fountain solution and stays, this fountain solution holds the liquid bar and is bearing on the pair of brackets 61, and this holds liquid bar 60 and is parallel to fountain solution bucket roller 20 and is securely fixed on the bogie side frame of printing machine.
It is elongated that fountain solution holds liquid bar 60, and it passes two supports 61 slightly, and a pulling force control assembly is installed on the one end at least, so that it is stretching between support 61 this fountain solution to be held the liquid bar.As shown in Figure 2, in the present embodiment, this pulling force control assembly comprises a nut 62, and this nut 62 is screwed in the public screw part of the projection of this end of holding liquid bar 60 formation by this support 61.When tightening this nut 62, just will be bearing between this support this and hold on the liquid bar 60 and apply pulling force, be applied to this and hold pulling force on the liquid bar 60, as shown in Figure 3, can keep the width constant magnitude of this slit G.This pulling force control assembly can be such as nut 62 etc., as shown in Figure 3, the such use that fountain solution holds liquid bar 60 is to divide 70 in order to the liquid-storing part that forms a slit G who has along fountain solution bucket roller 20, by the way, slit G is appreciated that along with the rotation direction of fountain solution bucket roller 20 and changes, but under a kind of situation that fountain solution bucket roller 20 upwards rotates, recommend the spacing in slit should keep about 0.3mm.
A feeder 52 has been installed below fountain solution bucket roller 20, so that collect the unnecessary fountain solution (see figure 1) that is not sent on the rubber rollers 22 but drips from fountain solution bucket roller 20, a purpose of feeder 52 is to collect the fountain solution of drippage simply, then its fountain solution is fed in the fountain solution conditioning equipment 54, wherein these fountain solutions are handled again by means of return duct 53, as shown in Figure 4, feeder 52 be one semicircular, its inner surface has a slope 52a who tilts gradually, the intersection point of slope 52a has an opening to link to each other with leakage fluid dram 52b, and this leakage fluid dram 52b links to each other with return duct 53.
As can see from Figure 2, fountain solution feed pipe 50 should be suitable for being transported to equably on the fountain solution bucket roller 20 from a plurality of feed flows hole 51 with a certain amount of fountain solution, can select shape, quantity and the layout in feed flow hole 51 according to the demand of pouring into the fountain solution on fountain solution bucket roller 20, feed flow hole 51 can be simple hole or elongated seam, and a sprinkler head or a feed flow head perhaps are provided on the circumferential wall of fountain solution feed pipe 50.It only is not interpreted as by means of fountain solution transfer line 55 to limitation and from an end shown in Figure 2 or left side fountain solution is transported to the fountain solution feed pipe 50, but be interpreted as and carry fountain solution from the two ends or the mid portion of feed pipe 50, in addition, the quantity of the transfer line 55 of fountain solution can be one or more separately.
Fountain solution is regulated the effect that equipment 54 should be suitable for implementing its adjusting and adjust fountain solution, and the fountain solution that refluxes is filtered.
With reference now to Fig. 5,, here showed a fountain solution feed liquor amount control system, it comprises a liquid pump 56 that will be transported to from the fountain solution of preliminary adjusting and adjustment fountain solution adjusting device 54 in the fountain solution transfusion body 55, above-mentioned transfer line 55 stretches out from liquid pump 56, a flow control valve 57 is arranged on fountain solution transfer line 55, this system also has a controller 58 in addition, it is used for control pump 56 and flow control valve 57, so that automatically regulate best fountain solution liquid measure according to the actual numerical value that shows the relation between fountain solution demand and the effective supply liquid measure.
In order to obtain an actual numerical value, liquid measure sniffer 59 on one has been installed on return duct 53, so that monitoring is back to the backflow volume in the fountain solution adjusting device 54, the real data that monitors can be used to the running status of automatic control pump 56 or the opening degree of flow control valve 57, this actual numerical value can also be from being arranged in the signal that liquid-storing part divides the liquid measure sniffer 59a on 70 to send, perhaps from being arranged in a signal that rotational frequency sniffer 59b sends on a forme roller or the forme 1, so that the monitoring print speed printing speed.
The function that control device 58 further also has a fountain solution to supply with, so that take place brokenly in 70 and temporarily less during the state of liquid in when beginning operation or when liquid-storing part divides, the fountain solution that can correspondingly divide feeding additional in 70 to liquid-storing part, to guarantee good printing, the supply of this corresponding additional fountain solution can begin to carry out after receiving an operation commencing signal, so that in the time cycle of a weak point, the running status of pump 56 or the opening degree of flow control valve 57 are carried out Optimal Control, so that supply with fountain solution extraly.
When detecting the fountain solution that do not have overflow, divides when flowing out 70 an overflow sniffer 59c from liquid-storing part, or when liquid measure sniffer 59 detects backflow volume from feeder 52 and does not reach a predetermined value, the corresponding conveying of additional fountain solution also can take place in running status, preferably the running status of this pump 56 or the opening degree of flow control valve 57 are controlled, so that supply with fountain solution extraly, overcome the short state of fountain solution thus.
With reference to Fig. 6, it has shown how an overflow detector 59c monitors overflow situation that liquid-storing part divides, as what from figure, seen, fountain solution holds and has an overflow groove 60a on the liquid bar 60 at least, it continuously makes from liquid-storing part divides 70 fountain solution to overflow, the detector of a vicinity such as overflow detector 59c are disposed in the opposite of overflow groove 60a, will be appreciated that, have only when liquid-storing part divides in 70 and store when enough fountain solutions are arranged, fountain solution could continuously overflow by means of overflow groove 60a.In addition, when overflow detector 59c shows that when not having the overflow situation, it sends a corresponding signal to controller 58, additionally resupply fountain solution in 70 so that divide to liquid-storing part.
Should not think that additionally supplying with fountain solution carries out automatically with limiting to, in fact it can also be controlled by the people, perhaps carry out with another method without any controller, especially, if when using measuring pump without any control device, when if print speed printing speed reaches maximum or this extra supply and is undertaken by the people, can be with limitation for additional fountain solution, just this is enough to the opening degree that an operator on duty regulates flow control valve.
As mentioned above, the quantity delivered of fountain solution should be considered to be controlled by the opening degree of flow control valve 57, soaks the centre that flow control valve 57 is positioned at fountain solution transfer line 55, but it can also replace with a general magnetic valve by pulse signal control.
Referring now to Fig. 7, fountain solution holds several bars (being two bars in the drawings) that liquid bar 60 can be included in the circumference setting of fountain solution bucket roller 20, the situation that Fig. 8 shows be hold liquid bar 60 with respect to or do not rotate with respect to the fountain solution bucket roller 20 that rotates, by the way, the rotation direction that fountain solution holds liquid bar 60 is independently with respect to the rotation direction of fountain solution bucket roller 20, among Fig. 8 when holding liquid bar 60 when consistent with fountain solution bucket roller 20 rotation direction separately, both gaps are recommended as in 0～0.15mm scope, or when their rotation direction was inconsistent, this gap was 0.1～0.3mm.
As shown in Figure 9, fountain solution feed pipe 50 can be assembled near roller 20, this roller 20 adjoins mutually with fountain solution bucket roller 20a, if should understand naturally for fountain solution bucket roller 20a and the slit G that holds between the liquid bar 60 are correctly regulated as mentioned above, fountain solution bucket roller and other roller should rotate with opposite direction.
For simplicity, explain running simply.
At first, should determine the demand of fountain solution for guaranteeing good printed state, then, fountain solution is poured in the liquid-storing part branch, this liquid-storing part branch should be supplied with fountain solution to the whole surface of fountain solution bucket roller, the unnecessary fountain solution that is transported on the dampening roller from fountain solution bucket roller is not collected in the feeder 52, is back to then in the fountain solution adjusting device 54.
With reference to Figure 10 and 11, show among the figure that liquid-storing part divides other embodiment of 70, in these embodiments, fountain solution feed pipe 50 is used as the fountain solution liquid supply part, divides 70 so that form liquid-storing part between this fountain solution liquid supply part and this fountain solution bucket roller.
Fountain solution feed pipe 50 and fountain solution bucket roller 20 should be positioned to the slit G that makes between them and be generally 0.3mm, feed flow hole 51 is appreciated that if they enough can divide 70 fountain solutions that predetermined quantity is provided to liquid-storing part, their profiles separately need not be limited, for example, as shown in figure 10, each hole 51 can be a hole of offering on the circumferential wall of fountain solution feed pipe 50 or elongated seam, perhaps as shown in figure 11, on pipe 50, connecting a feed flow head, dividing 70 so that fountain solution is flowed to liquid-storing part from top.
At will mention, it is tubular that the fountain solution liquid supply part need not be confined to, and it can be other shape.
Figure 12 has shown another kind of fountain solution supply part, and it makes the discharging tube that cross sectional shape is a C shape, divides 70 to form liquid-storing part.It is parallel to fountain solution bucket roller 20 to discharging tube 50A as a fountain solution liquid supply part.As can see from Figure 13, between fountain solution bucket roller 20 and discharging tube 50A, can form a liquid-storing part and divide 70, top at this discharging tube 50A sidewall relative with fountain solution bucket roller, every certain interval, a plurality of overflow groove 51a are arranged, fountain solution at first is transported among the discharging tube 50A by means of the fountain solution transfer line that does not show among the figure, passes overflow groove 51a then and flows in the liquid-storing part branch.
With reference to Figure 14, it has shown another kind of embodiment, it is characterized in that it has an additional guide plate 80 that is parallel to fountain solution bucket roller 20, so that the guiding fountain solution flows to the surface of fountain solution bucket roller 20.
Figure 16 is another embodiment of guide plate, this guide plate is made by elastomeric material, guide plate 80 can be a metallic plate or an a kind of plastic plate of being made by spring steel usually, and its end forward always keeps in touch with the surface of fountain solution bucket roller 20 by utilizing the restoring moment of guide plate.Therefore, formed liquid-storing part and divide 70 between guide plate and fountain solution bucket roller, the guiding of the fountain solution of supplying with from fountain solution feed pipe 50 by guide plate 80 is stored in liquid-storing part and divides 70, flows to fountain solution bucket roller thus.In this layout, the rotation direction of the fountain solution bucket roller 20 shown in the figure should be limited in identical with the incline direction of guide plate 80, and does not run into guide plate 80 below fountain solution bucket roller 20.
Figure 17 has represented the another kind of embodiment of guide plate, shown guide plate 80 be positioned at fountain solution feed pipe 50 below, a bending part 81 is wherein arranged in addition, and it near fountain solution bucket roller 20, has formed a liquid-storing part and has divided 70 gradually between bending part and fountain solution bucket roller.
Scatter on guide plate 80 in the process that the fountain solution that pipe 50 is supplied with is flowing downward, be stored in liquid-storing part then and divide in 70, the purpose that will be understood that guide plate 80 and effect are identical with above-mentioned guide plate.
Figure 18 has also showed another embodiment of guide plate of the present invention, and the bending features of guide plate 80 is that its front end is bent upwards, and divides 82 to form liquid-storing part.
As shown in figure 19, the fountain solution of carrying from fountain solution feed pipe 50 is distributed to the surface that tilts slightly of guide plate 80 downward process of flowing, be stored in liquid-storing part then and divide in 82, all is transported at last on the fountain solution bucket roller 20.
In the time of on fountain solution feed pipe 50 is fixed on guide plate 80, be recommended in a spout hole 83 is set on the guide plate 80, as shown in figure 20, this spout hole is near fountain solution feed pipe 50, than the vertical axis of feed pipe 50 also toward upside some, make the fountain solution of beyond thought overflow can pass hole 51 and be discharged in the feeder 52.
Figure 21 has showed another kind of embodiment of the present invention, especially a kind of fountain solution of delay remain on fountain solution bucket roller 20 consistently and the roller 23 that adjoins between situation, the roller 23 that adjoins is positioned to and contacts with fountain solution bucket roller 20 or mutually close, so that the fountain solution of carrying from fountain solution feed pipe 50 is remained between them.By the way, divide the fountain solution of overflow to be received by a feeder not shown in the figures very naturally from liquid-storing part, shown in above-mentioned other embodiment.
When fountain solution bucket roller 20 and the roller 23 that adjoins when the direction of arrow shown in Figure 21 is rotated, fountain solution feed pipe 50 can be selectively or near fountain solution bucket roller 20, near roller 23, the fountain solution of being supplied with by fountain solution feed pipe 50 remains on liquid-storing part and divides in 70, sends in right amount on the roller 23 that adjoins so that divide from liquid-storing part.
Referring now to Figure 22, will be understood that feeder is used as guide plate, feeder 90 is positioned at the below of fountain solution bucket roller 20, it and fountain solution bucket roller have on all four shape, and part is near the lower surface of fountain solution bucket roller 20, so that obtain a zone that keeps fountain solution, feeder 90 is disposed in the below of fountain solution bucket roller 20, divide 92 so that obtain a liquid-storing part in bottom near fountain solution bucket roller 20, guide plate 93 tops are equipped with fountain solution feed pipe 50, hold the part of territory, liquid zone 92 above also wanting at feeder 90 walls a leakage fluid dram 91 has been installed, so that pass the fountain solution of return duct 91 non-draining overflows.
In this embodiment, once poured into earlier on the guide plate 93 before dividing 92 pouring liquid-storing part into from the fountain solution of fountain solution feed pipe 50, bottom with fountain solution bucket roller 20 contacts then, therefore, we can say in a very little zone, the layout of roller can freely be arranged, as if such liquid-storing part divides to be compared with the guide plate that does not divide with liquid-storing part above-mentioned, fountain solution is applied on the fountain solution bucket roller fully, yet, should not think that the liquid-storing part branch is that front end by the guide plate bending forms with limiting to, but will be understood that its structure can store fountain solution along the surface of fountain solution bucket roller and get final product before using.
Device expection of the present invention obtains following effect.
(1) fountain solution bucket roller can be isolated with the fountain solution that is collected in the feeder, afterwards, makes Be back in the fountain solution adjusting device, this can be owing to the heat that produces in printing process, And the temperature of the fountain solution of backflow is raise, therefore, no longer needing has big phegma cooling merit Rate.
(2) consider the doping that prevents heat leakage and printing ink and paper powder, the size of feeder Preferably as best one can little, when adopting injection method to supply with fountain solution, the present invention can use one Resemble the fountain solution liquid supply part the fountain solution nozzle, it need be with strict method with fountain solution Be applied on each roller.
(3) feeder of minimum dimension also can hide the fountain solution that is stored in wherein effectively The heat of avoiding atmosphere is not because fountain solution can stop long time therein, so that damping The liquid adjusting device is come the fountain solution of cooling for reflux without the need for big volume, this so that fountain solution transfer The volume of regulating device is very little.
As mentioned above, according to the present invention, supplying with a small amount of fountain solution on the forme just is enough to carry out Good printing operation is so that the fountain solution adjusting device no longer needs to have big volume with cooling also Filter fountain solution, in addition also simple to the maintenance of fountain solution liquid supply part and other device, Therefore, can also further alleviate the weight of equipment and reduce cost.
Claims (17)
1. the fountain solution liquid-supplying system of an offset press, wherein fountain solution is transported on the forme (1) through the dampening roller system, described dampening roller system comprises a fountain solution bucket roller (20) and a plurality of transfer roller (22 to 26), and described a plurality of transfer rollers comprise a dampening roller (26); The fountain solution liquid-supplying system of described offset press comprises:
A fountain solution liquor storage device (60,70) be arranged to be parallel to a roller in each roller of described dampening roller system, described fountain solution liquor storage device (60,70) comprise an elongated body of rod, the described body of rod extends in parallel in described roller (20) with the relation on the surface of a close described roller (20), so that form a fountain solution liquid-storing part branch (70), described liquid-storing part divides in order to store the fountain solution of supply from a fountain solution liquid supply part (50) therein; And
Setting is with a backflow fountain solution collecting part (52), so that wherein collect the fountain solution that is not transported to described transfer roller (22 to 26); It is characterized in that,
Described liquid supply part comprises a fountain solution feed flow pipeline (50), described feed flow pipeline (50) extends along the roller that described fountain solution bucket roller (20) or adjoin described fountain solution bucket roller (20), and has and be distributed in along described feed pipe and point to the fountain solution feed flow hole (51) on the surface of corresponding described roller; And
The described elongated body of rod comprises that at least one fountain solution holds liquid bar (60), form a liquid-storing part branch (70) so that adjoin the outer surface of described bar (60) and described fountain solution bucket roller (20) or one between the roller (20a) of described fountain solution bucket roller (20), described liquid-storing part branch is made has minimum dimension and preserve can be for the necessary liquid measure of moistening described forme continuously.
2. fountain solution liquid-supplying system as claimed in claim 1, it is characterized in that, described fountain solution holds liquid bar (60) and comprises a pulling force control assembly, and described pulling force control assembly holds between the liquid bar (60) and the slit (G) of a pre-sizing that leaves in order to roller and the described fountain solution that directly is bearing in fountain solution fountain solution bucket roller (20) or adjoins described fountain solution fountain solution bucket roller (20).
3. fountain solution liquid-supplying system as claimed in claim 1 or 2 is characterized in that, also comprises a fountain solution liquid supply rate control system (56,57,58), so that according to the needed liquid measure of described forme (1), in order to regulate the liquid measure of the fountain solution of being carried from described moistening liquid supply part (50).
4. fountain solution liquid-supplying system as claimed in claim 1 or 2 is characterized in that, described fountain solution liquid supply rate control system (56,57,58) the signal operation of sending according to following each detector, so that adjust the liquid measure of the fountain solution of superior printshop need, described each detector is:
(a) detection is by the liquid measure detector (59) of the collected fountain solution liquid measure of described backflow fountain solution collecting part (52);
(b) survey the liquid measure detector (59a) that holds stored fountain solution liquid measure in the formed liquid-storing part branch of liquid bar (60) (70) by described fountain solution; Or
(c) survey on it and to connect with the plate cylinder of described forme or form the rotational frequency detector (59b) of number of revolutions of any one roller of described dampening roller system.
5. fountain solution liquid-supplying system as claimed in claim 3, it is characterized in that, described fountain solution holds liquid bar (60) and is provided with at least one groove (60a), so that guiding is from the fountain solution that overflows in the described liquid-storing part branch (70), wherein, described fountain solution liquid supply rate control system (56,57,58) should have fountain solution and promote function, so that the detectable signal that sends according to the overflow detector (59c) of locating to survey overflow situation at described groove (60a), or the detectable signal that sent of the liquid measure detector (59) of surveying the collected fountain solution liquid measure of described backflow fountain solution collecting part, the liquid measure of regulating the additional fountain solution of being supplied with from described fountain solution liquid supply part (50).
6. fountain solution liquid-supplying system as claimed in claim 4, it is characterized in that, described fountain solution holds liquid bar (60) and is provided with at least one groove (60a), so that guiding is from the fountain solution that overflows in the described liquid-storing part branch (70), wherein, described fountain solution liquid supply rate control system (56,57,58) should have fountain solution and promote function, so that the detectable signal that sends according to the overflow detector (59c) of locating to survey overflow situation at described groove (60a), or the detectable signal that sent of the liquid measure detector (59) of surveying the collected fountain solution liquid measure of described backflow fountain solution collecting part (52), the liquid measure of regulating the additional fountain solution of being supplied with from described fountain solution liquid supply part (50).
7. fountain solution liquid-supplying system as claimed in claim 5 is characterized in that, there is a slope (52a) of convergence gradually the inboard of described backflow fountain solution collecting part (52), and the intersection point place on the slope of described convergence is opened wide.
8. fountain solution liquid-supplying system as claimed in claim 6 is characterized in that, there is a slope (52a) of convergence gradually the inboard of described backflow fountain solution collecting part (52), and the intersection point place on the slope of described convergence is opened wide.
9. fountain solution liquid-supplying system as claimed in claim 7 is characterized in that, described fountain solution holds liquid bar (60) is respectively arranged with a pre-sizing with respect to described fountain solution bucket roller one or more slits.
10. fountain solution liquid-supplying system as claimed in claim 8 is characterized in that, described fountain solution holds liquid bar (60) is respectively arranged with a pre-sizing with respect to described fountain solution bucket roller one or more slits.
11. fountain solution liquid-supplying system as claimed in claim 9 is characterized in that, described fountain solution holds liquid bar (60) and should be suitable for rotating with respect to described fountain solution bucket roller (20) or the roller that adjoins described fountain solution bucket roller (20).
12. fountain solution liquid-supplying system as claimed in claim 10 is characterized in that, described fountain solution holds liquid bar (60) and should be suitable for rotating with respect to described fountain solution bucket roller (20) or the roller that adjoins described fountain solution bucket roller (20).
13. the fountain solution liquid-supplying system of an offset press, wherein fountain solution is transported on the forme (1) through the dampening roller system, described dampening roller system comprises a fountain solution bucket roller (20) and a plurality of transfer roller (22 to 26), and described a plurality of transfer rollers comprise a dampening roller (26);
Wherein, a fountain solution liquor storage device (60,70) be arranged to be parallel to a roller in each roller of described dampening roller system, described fountain solution liquor storage device (60,70) comprise an elongated body of rod, the described body of rod extends in parallel in described roller (20) with the relation on the surface of a close described roller (20), so that form a fountain solution liquid-storing part branch (70), described liquid-storing part divides in order to store the fountain solution of supply from a fountain solution liquid supply part therein; And
Wherein, be provided with, so that wherein collect the fountain solution that is not transported to described transfer roller (22 to 26) with a backflow fountain solution collecting part (52); It is characterized in that,
Described fountain solution liquid supply part comprises one along described fountain solution bucket roller (20) or adjoin the fountain solution feed flow pipeline that the roller of described fountain solution bucket roller (20) extends (50 or 50A), described fountain solution feed flow pipeline (50 or 50A) have feed flow hole along described feed flow line distribution (51,51a); And
Described fountain solution feed flow pipeline (50 or 50A) plays a part the described elongated body of rod simultaneously, so that at described pipeline (50 or 50A) and described fountain solution bucket roller or adjoin between the roller of described fountain solution bucket roller (20) and form a liquid-storing part branch (70), wherein, described feed flow hole (51; 51a) point to described liquid-storing part branch (70), described liquid-storing part branch is made it and is of a size of minimum but can be for keeping the necessary liquid measure of moistening described forme continuously.
14. fountain solution liquid-supplying system as claimed in claim 13 is characterized in that, it is the configuration of C shape that described fountain solution liquid supply part (50A) has a cross section.
15. the fountain solution liquid-supplying system of an offset press, wherein fountain solution is transported on the forme (1) through the dampening roller system, described dampening roller system comprises a fountain solution bucket roller (20) and a plurality of transfer roller (22 to 26), and described a plurality of transfer rollers comprise a dampening roller (26);
Wherein, a fountain solution liquor storage device (80,82) be arranged to be parallel to a roller in each roller of described dampening roller system, described fountain solution liquor storage device (80,82) comprise an elongated guide plate, described guide plate extends in parallel in described roller (20) with the relation on the surface of a close described roller (20), so that form a fountain solution liquid-storing part branch (70), described liquid-storing part divides in order to store the fountain solution of supply from a fountain solution liquid supply part (50) therein; And
Wherein, be provided with, so that wherein collect the fountain solution that is not transported to described transfer roller (22 to 26) with a backflow fountain solution collecting part (52); It is characterized in that,
Described fountain solution liquid supply part comprises one along described fountain solution bucket roller (20) or adjoin the fountain solution feed flow pipeline (50) that the roller of described fountain solution bucket roller (20) extends, described fountain solution feed flow pipeline (50) have feed flow hole along described feed flow line distribution (51,51a);
Described fountain solution feed flow pipeline (50) thereunder integrally is connected to one along described fountain solution bucket roller (20) or adjoin the guide plate (80) that described fountain solution bucket roller (20) extends, described guide plate (80) is then near described fountain solution bucket roller (20) or adjoin the surface of the roller of described fountain solution bucket roller (20), wherein, described guide plate (80) is pointed in described feed flow hole (51), wherein, described liquid-storing part branch is formed on the fore-end and the described fountain solution bucket roller (20) of described guide plate (80) or adjoins between the roller of described fountain solution bucket roller (20), so that the liquid measure of fountain solution that will be transported to described fountain solution bucket roller (20) equably or adjoin the roller of described fountain solution bucket roller (20) is reduced to a minimum, goes up at described guide plate (80) spout hole (83) that passes through with a fountain solution of allowing overflow is set.
16. fountain solution liquid-supplying system as claimed in claim 15, it is characterized in that, described guide plate (80) is made by elastomeric material, and described guide plate (80) is placed to and makes that its front end keeps contacting with described fountain solution bucket roller (20) or the roller that adjoins described fountain solution bucket roller (20).
17. fountain solution liquid-supplying system as claimed in claim 15, it is characterized in that the shape of described guide plate (80) is made and made described liquid-storing part branch (70) be formed on described guide plate (80) and described fountain solution bucket roller (20) or adjoin between the roller of described fountain solution bucket roller (20).
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP219130/93 | 1993-08-11 | ||
| JP219130/1993 | 1993-08-11 | ||
| JP21913093 | 1993-08-11 | ||
| JP294501/93 | 1993-10-29 | ||
| JP5294501A JP2906951B2 (en) | 1993-08-11 | 1993-10-29 | Offset printing machine dampening water supply device |
| JP294501/1993 | 1993-10-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1109410A CN1109410A (en) | 1995-10-04 |
| CN1056801C true CN1056801C (en) | 2000-09-27 |
Family
ID=26522936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94108641A Expired - Fee Related CN1056801C (en) | 1993-08-11 | 1994-08-10 | Dampening water circulation system for offset press |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5735204A (en) |
| EP (1) | EP0638417B1 (en) |
| JP (1) | JP2906951B2 (en) |
| CN (1) | CN1056801C (en) |
| DE (1) | DE69426249T2 (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19616198A1 (en) * | 1996-04-23 | 1997-10-30 | Bse Printtechnologie Ag | Offset printing machine damping unit |
| CN1089683C (en) * | 1997-09-19 | 2002-08-28 | 王卫中 | Ceramic roller for transferring water in printing machine and its making method |
| AU3362499A (en) * | 1998-03-23 | 1999-10-18 | Goss Graphic Systems, Inc. | Method and apparatus for controlling a dampener of a lithographic printing press |
| DE19853362C5 (en) * | 1998-10-10 | 2004-03-04 | Man Roland Druckmaschinen Ag | Dampening unit for an offset printing machine |
| DE10101834B4 (en) * | 2001-01-17 | 2009-07-16 | Koenig & Bauer Aktiengesellschaft | Device for cleaning work surfaces |
| DE10222294A1 (en) | 2002-05-18 | 2003-12-04 | Koenig & Bauer Ag | Dampening unit with dampening solution supply and return device |
| DE10238874A1 (en) | 2002-08-24 | 2004-03-04 | Koenig & Bauer Ag | Printing forme wetting method for sheet-fed offset rotary printing machine, by measuring salt content in central wetting agent reservoir and supplying water accordingly |
| DE10242996B3 (en) * | 2002-09-17 | 2004-02-26 | Koenig & Bauer Ag | Damping unit used in a printing press, especially as an offset damping unit, comprises a damping medium collection container for collecting damping medium permanently overflowing the edge of a trough element |
| DE10242995B4 (en) * | 2002-09-17 | 2006-09-07 | Koenig & Bauer Ag | Dampening for a printing press |
| DE102004017054A1 (en) * | 2004-04-07 | 2005-10-27 | Koenig & Bauer Ag | Printing form moistening method for offset rotation printing machine, involves desalting part of medium extracted for additional quantity of fresh water, and supplying desalted medium to container when salt content of medium exceeds target |
| DE102007033293A1 (en) * | 2007-07-17 | 2009-01-29 | Technotrans Ag | Filtration for printing machines |
| US9021949B2 (en) * | 2012-02-06 | 2015-05-05 | Palo Alto Research Center Incorporated | Dampening fluid recovery in a variable data lithography system |
| CN106427184B (en) * | 2016-08-16 | 2019-07-09 | 浙江茉织华印刷股份有限公司 | A kind of print system |
| CN107728386B (en) | 2017-10-27 | 2020-06-26 | 合肥京东方光电科技有限公司 | Transfer printing plate preprocessing device and transfer printing equipment |
| CN109624482B (en) * | 2019-01-30 | 2020-06-19 | 昆明理工大学 | Fountain water applying method based on magnetization and system and application thereof |
| CN114801426A (en) * | 2022-04-26 | 2022-07-29 | 合肥烟草工贸总公司 | Cigarette paper printing damping device |
| CN114801428B (en) * | 2022-05-11 | 2023-09-05 | 上海瑞源印刷设备有限公司 | Continuous transmission alcohol dampening device for metal plate offset press |
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| EP0371386A2 (en) * | 1988-11-28 | 1990-06-06 | Kabushiki Kaisha Tokyo Kikai Seisakusho | Dampening roller and method for producing the same and dampening systems for a printing apparatus employing the dampening roller |
| EP0517462A1 (en) * | 1991-06-06 | 1992-12-09 | BALDWIN GRAPHIC SYSTEMS, Inc. | Dampening fluid supply system |
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| CH383413A (en) * | 1961-04-06 | 1964-10-31 | Hauser Max | Dampening system on offset printing machines |
| US3769909A (en) * | 1971-03-10 | 1973-11-06 | Rockwell International Corp | Wet nip dampener |
| DE2203046A1 (en) * | 1972-01-22 | 1973-08-30 | Maschf Augsburg Nuernberg Ag | MOISTURIZING DEVICE FOR OFFSET ROTATION PRINTING MACHINES |
| FR2397939A1 (en) * | 1977-07-22 | 1979-02-16 | Chambon Machines | INKING DEVICE FOR BOLD INK PRINTING |
| JPS59169941U (en) * | 1983-04-27 | 1984-11-14 | 東啓印刷株式会社 | Water supplementary device when starting up an offset printing press |
| JPS61186435U (en) * | 1985-05-15 | 1986-11-20 | ||
| JP2954260B2 (en) * | 1990-03-09 | 1999-09-27 | 株式会社 東京機械製作所 | Offset printing press |
| JPH0569528A (en) * | 1991-09-17 | 1993-03-23 | Komori Corp | Control method and its device for water level of water tank of printing machine |
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- 1993-10-29 JP JP5294501A patent/JP2906951B2/en not_active Expired - Fee Related
-
1994
- 1994-08-09 EP EP94112451A patent/EP0638417B1/en not_active Expired - Lifetime
- 1994-08-09 DE DE69426249T patent/DE69426249T2/en not_active Expired - Fee Related
- 1994-08-10 CN CN94108641A patent/CN1056801C/en not_active Expired - Fee Related
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1997
- 1997-08-22 US US08/924,403 patent/US5735204A/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0371386A2 (en) * | 1988-11-28 | 1990-06-06 | Kabushiki Kaisha Tokyo Kikai Seisakusho | Dampening roller and method for producing the same and dampening systems for a printing apparatus employing the dampening roller |
| EP0517462A1 (en) * | 1991-06-06 | 1992-12-09 | BALDWIN GRAPHIC SYSTEMS, Inc. | Dampening fluid supply system |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0638417A1 (en) | 1995-02-15 |
| CN1109410A (en) | 1995-10-04 |
| DE69426249D1 (en) | 2000-12-14 |
| EP0638417B1 (en) | 2000-11-08 |
| JP2906951B2 (en) | 1999-06-21 |
| US5735204A (en) | 1998-04-07 |
| JPH07101034A (en) | 1995-04-18 |
| DE69426249T2 (en) | 2001-06-21 |
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